Embroidering-machine.



'w. A.v SIELIMACIIEII.

EMBROIDEVRING MACHINE. APPLICATION FILED AUG.4. 1913.

1,223,439. PAIenIed Apr. 24,1917.

3 SHEETS-SHEET 'I- MII; IIIIIIl Il |II| IIIl "IIIIl l I IVII IUI I IV lI|| I II :IEIIII Il III I W. A. STELLMACHER. EMBROIDERING MACHINE. APPLICATION FILED AuG.4. 1913.

1,223,439.'A l Patented Ap1-.24,1917.

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W. A. STELLNIACHER.

EMBROIDERING MACHINE.

APPLICATION FILED Aua.4 .1913.

n Patented Apr. 24, 1917.

3 SHEETS-SHEET 3.

witness- UNITED STATES; PATENT oEEicE.

WILHELM ALBERT sTELLMAcHEE, 0E Anson, SWITZERLAND:

y. EMBEoInEnnvcir-ivrnonnvE.

To all whom t may concern.

Be it known ythat I, Iii-.iini'mt ALBERT STELLMAGHER, a citizen of the Republic of Switzerland, and residing at Arbon, Switzerland, have invented certain new and useful Improvements inv Embroidering-Machinos, of which the following isv a specification'. v This invention has for its objecty certain useful and novel improvements in embroidering machines and relatesparticularly to mechanism for holding stcadyior supporting the'horizontal top bar of the embroidery frame, for the purpose of preventingit from sagging under vibrations.. i n

The nature of the invention will be best understood from the description of the accompanying drawings, in which,

Figure 1 shows a front view" of the embroidery frame in combination with the slide, of the automatic apparatus.

Fig. 2 is aside view -of a slide supporting v the top bar. p Fig. 3 vshows the. front view of the embroidery frame with two slides in combination with the actuated part of the frame.

By 1 the horizontal top bar and by 2 and 3 vertical side bars of the frame are indicated. f Further 4 denotes the connecting stay between the machine ends 5 and 6. The top bar is held steady by supporting slides 7 and 8, which can be moved up and down in guide brackets 9 and 10. The guide brackets are provided with rollers 11 and 12. Further two horizontal yrails 13 and 14 are fixed to the top bar. Each slide carries a roller 15, 16 respectively, on which the'horizontal rails can glide to andfro.

Controlling bands 17 andlS are adjustably connected, by means of-nuts 28, tothe upper ends of slides 7 and 8 respectively as shown in Fig. 2. c f

These bands, bymeans of which the movements of the actuating parts can be transferredto the slides are conducted over the rollers `11and 12 and coupled, welded or otherwise connected together. lower band17 is further conducted over the rollers 19 and 20 tothe vertical slide 22 operated by the automatic apparatus 21.v In order to guidethe vembroidery .frame always in the same embroidering plane and at the same time to be able tok control the vertical position of the slides, each slide may be further fitted with avertical guide study Specification of Letters Patent.

lto the top bar.

yOnly the f Patented Apr. 24, 1917.

, Application filed August 4, v1913. Serial 110,782,878.

23, whichcan move between the horizontal bars 24'and 25- to be fixed to the top bar.

In Fig. 3 a second example of carrying yout the invention is represented, in which the embroidery frame is Vbalanced by means of a spring in the known manner. The slides in this case instead of being connect- 4ed to therk slide 22ofthe#automaticapparatus are connected tothe frame itself at the end of thek top bar which may be actuated by the pantograph (not shown) in a Ywell known manner. For this purpose a horizontal rail 26 is provided which is attached In addition the band led over the rollers 19 and'20 is provided with a roller carriage 27, between whose rollers the horizontal rail 26 moves. n

The guide studs on the'supporting slides are omitted in this example.

The mode of action of the frame supporting device described is as follows:

`W'hen the slide 22 of the automatic apparatus or in case the power is applied to the frame bar 2, the latter is moved upward, the bands'17 and`18 will cause the slides to follow Vthe movement simultaneously. Reversely during the downward movement of the slide or the actuated frame part 2, the middle part of the upper frame bar can not sag or bend downward, because it is supported by the slides which are controlled by the bands 17 and 18.

What I-claim is 1. In an embroidery machine, the combination with a fabric frame, and mechanism for imparting vertical movement to the latL ter, of vertically movable supporting members connected with a longitudinal member of the frame, and independently adjustable tension members connecting said supporting members with said mechanism.

2. In an embroidery machine, the combination with a fabric frame, and mechanisms for imparting horizontal and vertical movements to' thelatter, of a plurality of .vertically movable slides connected with the -nation with a vertical and horizontally movable fabric'frame, of a plurality of vertically movable slides, means connecting the slides to the frame adapted to permit horizontal movement of the frame relative to the slides, and independently adjustable flexible bands connected to the slides and adapted to be actuated by the vertical movement of the frame.

4. In an embroidery machine, the combination with a fabric frame, and mechanism for imparting vertical and horizontal movements to the latter, a plurality of vertically movable slides, rails mounted on and parallel to the top bar of the frame, rollers on the slides supporting the rails, and flexible bands adjustably connected tothe slides and to the mechanism for moving the frame vertically.

5. In an embroidery machine, the combination With a fabric frame, and mechanism for imparting vertical and horizontal movements to the latter, a plurality of vertically movable slides, rails mounted on and parallel to the top bar of the frame, rollers on the slides supporting the rails, fiexible bands adjustably connected to the slides and to the mechanism for moving the frame vertically,

guide bars on the frame, and studs on the slides engaging the guide bars.

6. In an embroidery machine, the combination with a vertically and horizontally movable fabric frame, of vertically movable supporting members connected With the central portion of a longitudinal member of the frame, mechanism for imparting vertical movement to the latter, a main tension member connected With said mechanism and one of the vertically movable supporting members, and a tension member connected With the other supporting member and the main tension member.

7 In an'embroidery machine, the combination With a vertically and horizontally movable fabric frame and mechanism for vertically moving the latter, of a plurality of vertically movable supporting members connected With a longitudinal member of the frame between its ends, and a single flexible member connected to said mechanism, and having a plurality of branch flexible members connected With the supporting members.

WILHELM ALBERT STELLMACHER.

FRIEDRICH SOMMER.

Copies of this patent may be obtained for yfive cents each, by addressing the Commissioner of Patents,

Washington 11.0. 

